Baby Einstein Stack and Discover Blocks for $14.99. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. The set includes three blocks: the green Block features an attached apple teether to soothe Baby’s gum, red Block features crinkle sides, and bBlue Block features 3D crinkle wings on butterfly.